JavaScript:使用数组存储一组字符串,统计其中包含"a"或"A"的字符串的个数
时间:2020-07-07 01:25:44
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var arr = ["America","Greece", "Britain", "Canade", "China", "Egypt"];
var count = 0;
for(var i in arr) {
if (arr[i].indexOf("a") != -1 || arr[i].indexOf("A") != -1) {
count++
}
}
alert(count); // 4
原文:https://www.cnblogs.com/qjuly/p/13258438.html
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